Este circuito de la década de 1970 utiliza componentes electromecánicos que son poco comunes en la actualidad. Entre ellos, destacamos un resonador mecánico que determina la frecuencia del circuito.

Transmisor con relé sintonizado
Este circuito de la década de 1970 utiliza componentes electromecánicos que son poco comunes en la actualidad. Entre ellos, destacamos un resonador mecánico que determina la frecuencia del circuito.
Una posibilidad importante de uso para un SCR consiste en disparar un relé que será conectado a la bocina...
El circuito que se muestra es del manual de semiconductores de GE de 1977. Se pueden utilizar SCR...
Este interesante circuito de control se encontró en una Electronics Now de 1988. A través de él...
Joomla! Version | 5.2.3 |
PHP Version | 8.3.20 |
Identity | guest |
Response | 200 |
Template | cassiopeia |
Database |
|
1 x After Access::preloadPermissions (com_content) (16.22MB) (49.76%) | 20.21ms |
1 x afterRenderComponent com_content (334.48KB) (14.83%) | 6.02ms |
1 x afterInitialise (1.14MB) (9.29%) | 3.77ms |
1 x afterRender (251.44KB) (7.65%) | 3.11ms |
1 x beforeRenderRawModule mod_articles_category (Banco de Circuitos) (358.53KB) (4.2%) | 1.71ms |
1 x afterRenderRawModule mod_finder (Busca_inteligente) (129.21KB) (2.96%) | 1.20ms |
1 x Before Access::getAssetRules (id:23544 name:com_content.article.27250) (514.65KB) (2.08%) | 846μs |
1 x afterRoute (89.95KB) (1.93%) | 782μs |
1 x beforeRenderModule mod_articles_category (Banco de Circuitos) (9.27KB) (1.53%) | 620μs |
1 x beforeRenderComponent com_content (100.41KB) (1.08%) | 439μs |
1 x After Access::preloadComponents (all components) (107.06KB) (0.96%) | 390μs |
1 x afterRenderRawModule mod_articles_category (Banco de Circuitos) (15.43KB) (0.91%) | 368μs |
1 x afterLoad (85.3KB) (0.71%) | 290μs |
1 x Before Access::preloadComponents (all components) (33.45KB) (0.52%) | 213μs |
1 x beforeRenderModule mod_finder (Busca_inteligente) (6.64KB) (0.52%) | 213μs |
1 x beforeRenderRawModule mod_finder (Busca_inteligente) (5.9KB) (0.26%) | 106μs |
1 x afterRenderModule mod_articles_category (Banco de Circuitos) (5.47KB) (0.16%) | 63μs |
1 x afterDispatch (2.25KB) (0.15%) | 59μs |
1 x afterRenderModule mod_finder (Busca_inteligente) (4.44KB) (0.12%) | 50μs |
1 x After Access::getAssetRules (id:23544 name:com_content.article.27250) (7.38KB) (0.1%) | 42μs |
1 x Before Access::preloadPermissions (com_content) (1.57KB) (0.02%) | 8μs |
SELECT @@SESSION.sql_mode;
33μs968B/libraries/src/Session/MetadataManager.php:184CopySELECT `session_id`
FROM `incbmx_session`
WHERE `session_id` = :session_id LIMIT 1
86μs1.3KBParams/libraries/src/Session/MetadataManager.php:187CopyINSERT INTO `incbmx_session`
(`session_id`,`guest`,`time`,`userid`,`username`,`client_id`) VALUES
(:session_id, :guest, :time, :user_id, :username, :client_id)
160μs944BParams/libraries/src/Session/MetadataManager.php:260CopySELECT `id`,`rules`
FROM `incbmx_viewlevels`
51μs656B/libraries/src/Access/Access.php:955CopySELECT `b`.`id`
FROM `incbmx_usergroups` AS `a`
LEFT JOIN `incbmx_usergroups` AS `b` ON `b`.`lft` <= `a`.`lft` AND `b`.`rgt` >= `a`.`rgt`
WHERE `a`.`id` = :guest
76μs1.64KBParams/libraries/src/Access/Access.php:868CopySELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug`
FROM `incbmx_categories` AS `s`
INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`)
WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`published` = 1 AND `s`.`id` = :id
ORDER BY `c`.`lft`
195μs3.86KBParams/libraries/src/Categories/Categories.php:375CopySELECT `id`,`name`,`rules`,`parent_id`
FROM `incbmx_assets`
WHERE `name` IN (:preparedArray1,:preparedArray2,:preparedArray3,:preparedArray4,:preparedArray5,:preparedArray6,:preparedArray7,:preparedArray8,:preparedArray9,:preparedArray10,:preparedArray11,:preparedArray12,:preparedArray13,:preparedArray14,:preparedArray15,:preparedArray16,:preparedArray17,:preparedArray18,:preparedArray19,:preparedArray20,:preparedArray21,:preparedArray22,:preparedArray23,:preparedArray24,:preparedArray25,:preparedArray26,:preparedArray27,:preparedArray28,:preparedArray29,:preparedArray30,:preparedArray31,:preparedArray32,:preparedArray33,:preparedArray34,:preparedArray35,:preparedArray36,:preparedArray37,:preparedArray38,:preparedArray39)
212μs7.44KBParams/libraries/src/Access/Access.php:357CopySELECT `id`,`name`,`rules`,`parent_id`
FROM `incbmx_assets`
WHERE `name` LIKE :asset OR `name` = :extension OR `parent_id` = 0
7.81ms1.48MBParams/libraries/src/Access/Access.php:301CopySHOW FULL COLUMNS FROM `incbmx_content`
335μs2.39KB/libraries/vendor/joomla/database/src/Mysqli/MysqliDriver.php:587CopyUPDATE `incbmx_content`
SET `hits` = (`hits` + 1)
WHERE `id` = '27250'
126μs48B/libraries/src/Table/Table.php:1348CopySELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count`
FROM `incbmx_content` AS `a`
INNER JOIN `incbmx_categories` AS `c` ON `c`.`id` = `a`.`catid`
LEFT JOIN `incbmx_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id`
LEFT JOIN `incbmx_users` AS `u` ON `u`.`id` = `a`.`created_by`
LEFT JOIN `incbmx_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id`
LEFT JOIN `incbmx_content_rating` AS `v` ON `a`.`id` = `v`.`content_id`
WHERE
(
(`a`.`id` = :pk AND `c`.`published` > 0) AND
(`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND
(`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray1,:preparedArray2)
158μs6.12KBParams/components/com_content/src/Model/ArticleModel.php:215CopySELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug`
FROM `incbmx_categories` AS `s`
INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`)
WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id
ORDER BY `c`.`lft`
174μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT `m`.`tag_id`,`t`.*
FROM `incbmx_contentitem_tag_map` AS `m`
INNER JOIN `incbmx_tags` AS `t` ON `m`.`tag_id` = `t`.`id`
WHERE `m`.`type_alias` = :contentType AND `m`.`content_item_id` = :id AND `t`.`published` = 1 AND `t`.`access` IN (:preparedArray1,:preparedArray2)
226μs3.97KBParams/libraries/src/Helper/TagsHelper.php:388CopySELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug`
FROM `incbmx_categories` AS `s`
INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`)
WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id
ORDER BY `c`.`lft`
217μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT DISTINCT a.id, a.title, a.name, a.checked_out, a.checked_out_time, a.note, a.state, a.access, a.created_time, a.created_user_id, a.ordering, a.language, a.fieldparams, a.params, a.type, a.default_value, a.context, a.group_id, a.label, a.description, a.required, a.only_use_in_subform,l.title AS language_title, l.image AS language_image,uc.name AS editor,ag.title AS access_level,ua.name AS author_name,g.title AS group_title, g.access as group_access, g.state AS group_state, g.note as group_note
FROM incbmx_fields AS a
LEFT JOIN `incbmx_languages` AS l ON l.lang_code = a.language
LEFT JOIN incbmx_users AS uc ON uc.id=a.checked_out
LEFT JOIN incbmx_viewlevels AS ag ON ag.id = a.access
LEFT JOIN incbmx_users AS ua ON ua.id = a.created_user_id
LEFT JOIN incbmx_fields_groups AS g ON g.id = a.group_id
LEFT JOIN `incbmx_fields_categories` AS fc ON fc.field_id = a.id
WHERE
(
(`a`.`context` = :context AND (`fc`.`category_id` IS NULL OR `fc`.`category_id` IN (:preparedArray1,:preparedArray2)) AND `a`.`access` IN (:preparedArray3,:preparedArray4)) AND
(`a`.`group_id` = 0 OR `g`.`access` IN (:preparedArray5,:preparedArray6)) AND `a`.`state` = :state) AND
(`a`.`group_id` = 0 OR `g`.`state` = :gstate) AND `a`.`only_use_in_subform` = :only_use_in_subform
ORDER BY a.ordering ASC
386μs4.75KBParams/libraries/src/MVC/Model/BaseDatabaseModel.php:164CopySELECT `c`.`id`,`c`.`asset_id`,`c`.`access`,`c`.`alias`,`c`.`checked_out`,`c`.`checked_out_time`,`c`.`created_time`,`c`.`created_user_id`,`c`.`description`,`c`.`extension`,`c`.`hits`,`c`.`language`,`c`.`level`,`c`.`lft`,`c`.`metadata`,`c`.`metadesc`,`c`.`metakey`,`c`.`modified_time`,`c`.`note`,`c`.`params`,`c`.`parent_id`,`c`.`path`,`c`.`published`,`c`.`rgt`,`c`.`title`,`c`.`modified_user_id`,`c`.`version`, CASE WHEN CHAR_LENGTH(`c`.`alias`) != 0 THEN CONCAT_WS(':', `c`.`id`, `c`.`alias`) ELSE `c`.`id` END as `slug`
FROM `incbmx_categories` AS `s`
INNER JOIN `incbmx_categories` AS `c` ON (`s`.`lft` <= `c`.`lft` AND `c`.`lft` < `s`.`rgt`) OR (`c`.`lft` < `s`.`lft` AND `s`.`rgt` < `c`.`rgt`)
WHERE (`c`.`extension` = :extension OR `c`.`extension` = 'system') AND `c`.`access` IN (:preparedArray1,:preparedArray2) AND `c`.`published` = 1 AND `s`.`id` = :id
ORDER BY `c`.`lft`
169μs3.91KBParams/libraries/src/Categories/Categories.php:375CopySELECT `name`,`element`
FROM `incbmx_extensions`
WHERE `type` = 'plugin' AND `folder` = 'finder' AND `enabled` = 1
144μs1.89KB/administrator/components/com_finder/src/Helper/LanguageHelper.php:135CopySELECT `title`
FROM `incbmx_finder_taxonomy`
WHERE `parent_id` = 1 AND `state` = 1 AND `access` IN (1,5)
157μs648B/administrator/components/com_finder/src/Indexer/Taxonomy.php:325CopySELECT *
FROM `incbmx_schemaorg`
WHERE `itemId` = :itemId AND `context` = :context
71μs1.55KBParams/plugins/system/schemaorg/src/Extension/Schemaorg.php:403CopySELECT `a`.`id`,`a`.`asset_id`,`a`.`title`,`a`.`alias`,`a`.`introtext`,`a`.`fulltext`,`a`.`state`,`a`.`catid`,`a`.`created`,`a`.`created_by`,`a`.`created_by_alias`,`a`.`modified`,`a`.`modified_by`,`a`.`checked_out`,`a`.`checked_out_time`,`a`.`publish_up`,`a`.`publish_down`,`a`.`images`,`a`.`urls`,`a`.`attribs`,`a`.`version`,`a`.`ordering`,`a`.`metakey`,`a`.`metadesc`,`a`.`access`,`a`.`hits`,`a`.`metadata`,`a`.`featured`,`a`.`language`,`fp`.`featured_up`,`fp`.`featured_down`,`c`.`title` AS `category_title`,`c`.`alias` AS `category_alias`,`c`.`access` AS `category_access`,`c`.`language` AS `category_language`,`fp`.`ordering`,`u`.`name` AS `author`,`parent`.`title` AS `parent_title`,`parent`.`id` AS `parent_id`,`parent`.`path` AS `parent_route`,`parent`.`alias` AS `parent_alias`,`parent`.`language` AS `parent_language`,ROUND(`v`.`rating_sum` / `v`.`rating_count`, 1) AS `rating`,`v`.`rating_count` AS `rating_count`
FROM `incbmx_content` AS `a`
INNER JOIN `incbmx_categories` AS `c` ON `c`.`id` = `a`.`catid`
LEFT JOIN `incbmx_content_frontpage` AS `fp` ON `fp`.`content_id` = `a`.`id`
LEFT JOIN `incbmx_users` AS `u` ON `u`.`id` = `a`.`created_by`
LEFT JOIN `incbmx_categories` AS `parent` ON `parent`.`id` = `c`.`parent_id`
LEFT JOIN `incbmx_content_rating` AS `v` ON `a`.`id` = `v`.`content_id`
WHERE
(
(`a`.`id` = :pk AND `c`.`published` > 0) AND
(`a`.`publish_up` IS NULL OR `a`.`publish_up` <= :publishUp)) AND
(`a`.`publish_down` IS NULL OR `a`.`publish_down` >= :publishDown) AND `a`.`state` IN (:preparedArray1,:preparedArray2)
153μs6.17KBParams/components/com_content/src/Model/ArticleModel.php:215CopySELECT SUM(CASE WHEN `a`.`next_execution` <= :now THEN 1 ELSE 0 END) AS due_count,SUM(CASE WHEN `a`.`locked` IS NULL THEN 0 ELSE 1 END) AS locked_count
FROM `incbmx_scheduler_tasks` AS `a`
WHERE `a`.`state` = 1
63μs1.37KBParams/administrator/components/com_scheduler/src/Model/TasksModel.php:465Copy